Marvel fans get ready! If you thought Scarlett Johansson's character 'Black Widow' wasn't fierce enough, you're in for a treat. The actress will bring innovation to the streets in the film 'Avengers: Age of Ultron,' thanks to some savvy tech from Harley Davidson. Krystin Goodwin (@krystingoodwin) has the details on Harley Davidson's first electronic motorcycle and its cameo in Marvel's new film.